C1
Magnetic energy and kinetic energy are both energy stores. Name 5 other stores of energy.
Thermal,
Gravitational potential,
Chemical potential,
Elastic potential,
Electrostatic.
For each of the energy stores (named in Q1) give an example of an object that contains the store of energy being described.
e.g. a moving car contains energy in its kinetic store.
Thermal:
Gravitational potential:
Chemical potential:
Elastic potential:
Electrostatic:
Name the main 3 types of fossil fuel
Coal,
Natural gas,
Oil
Crude oil and natural gas are formed _________ of years ago from ___________ and ___________.
Crude oil and natural gas are formed millions of years ago from plants and animals.
Crude oil and natural gas are formed millions of years ago from plants and animals, which built up on the _____________.
Seabed
Coal was formed from dead ____________ and other plant material, which was buried underground beneath layers of ______________.
Coal was formed from dead trees and other plant material, which was buried underground beneath layers of mud.
Combustion in the process of burning fuel by heating. Give 2 uses of combustion.
Steal: bonus 100 to the team that thinks of a 3rd use.
Generating electricity,
Heating houses,
Powering vehicles.
Explain why metals are good conductors, in terms of their structure and bonding.
For 200 points!
Metals contain delocalised electrons (100 points).
Delocalised electrons are able to move throughout the whole structure and carry charge (100 points)
The 4 ways in which energy can be transferred are:
*Mechanically
*Electrically
*Heating by conduction
*Heating by radiation (e.g. visible light, infrared radiation, microwaves)
A catapult transfers energy ___________ to the kinetic energy store of the ball being fired.
A catapult transfers energy mechanically to the kinetic energy store of the ball being fired.
The 4 ways in which energy can be transferred are:
*Mechanically
*Electrically
*Heating by conduction
*Heating by radiation (e.g. visible light, infrared radiation, microwaves)
A crane transfers energy ___________ to the gravitational potential energy store of the crate.
A crane transfers energy mechanically to the gravitational potential energy store of the crate.
The 4 ways in which energy can be transferred are:
*Mechanically
*Electrically
*Heating by conduction
*Heating by radiation (e.g. visible light, infrared radiation, microwaves)
A light bulb transfers energy ___________ to the surroundings.
A light bulb transfers energy heating by radiation to the surroundings.
The 4 ways in which energy can be transferred are:
*Mechanically
*Electrically
*Heating by conduction
*Heating by radiation (e.g. visible light, infrared radiation, microwaves)
A kettle transfers energy ___________ to the thermal energy store of the water in the kettle.
A kettle transfers energy heating by conduction to the thermal energy store of the water in the kettle.
The 4 ways in which energy can be transferred are:
*Mechanically
*Electrically
*Heating by conduction
*Heating by radiation (e.g. visible light, infrared radiation, microwaves)
An electrical circuit transfers energy from the chemical energy store ___________ to the kinetic energy store of the electrons in the wire.
An electrical circuit transfers energy from the chemical energy store electrically to the kinetic energy store of the electrons in the wire.
Describe a useful energy transfer that take place in an electric hairdryer.
Steal: bonus 100 points to the team that can describe 1 more useful energy transfer.
Energy is transferred electrically to the kinetic store of the blades.
Energy is transferred by conduction to the thermal store of the blades.
Describe a wasteful energy transfer that take place in an electric hairdryer.
Energy is transferred mechanically (sound) to the surroundings.
State 1 option that describes a physical property of metals.
a. Brittle
b. Low melting point
c. Malleable
d. Non-magnetic
e. Good electrical conductivity
f. Dull
Steal: 100 bonus points to the team that can state another property of metals.
c. Malleable,
e. Good electrical conductivity
How are atoms bonded together in metals?
a. Electrostatic attractions between atoms and delocalised electrons
b. Covalent bonds
c. Electrostatic attractions between positive and negative ions
d. Electrostatic attractions between positive metal ions and delocalised electrons.
d. Electrostatic attractions between positive metal ions and delocalised electrons.
Q3. The diagram shows an electrical circuit.
Name component A
Batteries
Q3. The diagram shows an electrical circuit.
Name component B
Wire
Q3. The diagram shows an electrical circuit.
Name component C
Light bulb
Q3. The diagram shows an electrical circuit.
Name component D
Switch
Does the lightbulb in the circuit light up? Yes or No.
Steal: Explain why for a bonus 100 points.
No.
The switch is open and therefore the circuit is not complete.